<template>
  <!-- 公共布局 -->
  <Common :sidebar="false">
    <div class="tag-wrapper">
      <!-- 标签集合 -->
      <ModuleTransition>
        <TagList
          v-show="recoShowModule"
          class="tags"
          :currentTag="$currentTags.key"
          @getCurrentTag="tagClick"></TagList>
      </ModuleTransition>

      <!-- 博客列表 -->
      <ModuleTransition delay="0.08">
        <note-abstract
          v-show="recoShowModule"
          class="list"
          :data="posts"
          :currentPage="currentPage"
          @currentTag="$currentTags.key"></note-abstract>
      </ModuleTransition>

      <!-- 分页 -->
      <ModuleTransition delay="0.16">
        <pagation
          class="pagation"
          :total="posts.length"
          :currentPage="currentPage"
          @getCurrentPage="getCurrentPage"></pagation>
      </ModuleTransition>
    </div>
  </Common>
</template>

<script>
  import Common from '@theme/components/Common'
  import NoteAbstract from '@theme/components/NoteAbstract'
  import TagList from '@theme/components/TagList'
  import pagination from '@theme/mixins/pagination'
  import ModuleTransition from '@theme/components/ModuleTransition'
  import {sortPostsByStickyAndDate, filterPosts} from '@theme/helpers/postData'
  import moduleTransitonMixin from '@theme/mixins/moduleTransiton'

  export default {
    mixins: [pagination, moduleTransitonMixin],
    components: {Common, NoteAbstract, TagList, ModuleTransition},

    data() {
      return {
        currentPage: 1,
        currentTag: '全部'
      }
    },

    computed: {
      // 时间降序后的博客列表
      posts() {
        let posts = this.$currentTags.pages
        posts = filterPosts(posts)
        sortPostsByStickyAndDate(posts)
        return posts
      }
    },

    mounted() {
      this._setPage(this._getStoragePage())
    },

    methods: {
      // 获取当前tag
      getCurrentTag(tag) {
        this.$emit('currentTag', tag)
      },
      tagClick(tagInfo) {
        if (this.$route.path !== tagInfo.path) {
          this.$router.push({path: tagInfo.path})
        }
      },
      // 获取当前页码
      getCurrentPage(page) {
        this._setPage(page)
        setTimeout(() => {
          window.scrollTo(0, 0)
        }, 100)
      },
      _setPage(page) {
        this.currentPage = page
        this.$page.currentPage = page
        this._setStoragePage(page)
      }
    },

    watch: {
      $route() {
        this._setPage(this._getStoragePage())
      }
    }
  }
</script>

<style src="../styles/theme.styl" lang="stylus"></style>

<style lang="stylus" scoped>
  @require '../styles/mode.styl'
  .tag-wrapper
    max-width: $contentWidth;
    margin: 0 auto;
    padding: 4.6rem 2.5rem 0;

  @media (max-width: $MQMobile)
    .tag-wrapper
      padding: 4.6rem 1rem 0;
</style>
